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Quinn science K2

States of Matter

QuestionAnswer
states of matter the physical forms in which a substance can exist; states include solid, liquid,gas, and plasma
solid state in which matter has definite shape and volume
liquid state in which matter takes the shape of its container and has a definite volume
gas state in which matter changes in both shape and volume
pressure the amount of force exerted on a given area
Boyle's Law law that states that for a fixed amount of gas at a constant temperature, the volume of a gas increases as its pressure decreases
Charles's Law law that states that for a fixed amount of gas at a constant pressure, the volume of a gas increases as its temperature increases
plasma state of matter that does not have definite shape or volume and whose particles have broken apart;plasma is composed of electrons and positively charged ions
change of state the conversion of a substance from one physical form to another
melting change of state from a solid to a liquid
freezing change of state from a liquid to a solid
vaporization change of state from a liquid to a gas; includes boiling and evaporation
boiling vaporization that occurs throughout a liquid
evaporation vaporization that occurs at the surface of a liquid below its boiling point
condensation change of state from a gas to a liquid
sublimation change of state from a solid directly into a gas
heat transfer of energy
energy related to the motion of the particles
melting point temperature at which a substance changes from a solid to a liquid
freezing point temperature at which a substance changes from a liquid to a solid
endothermic physical or a chemical change in which energy is absorbed; melting, vaporization, and sublimation
exothermic physical or chemical change in which energy is released or removed; freezing and condensation
condensation point temperature at which a substance changes from a gas to a liquid
state of matter is determined by how fast the particles are moving and how strongly they are attracted to one another
ways in which a gas can change it's volume Charles's Law, Boyle's Law, and size of the container
crystalline solid very orderly, three dimensional arrangement of atoms; examples ice and diamond
amorphous solid atoms that are in not particular order, no organized pattern; examples rubber and wax
surface tension force acting on particles at the surface of a liquid that causes it to form spherical drops
viscosity liquid's resistance to flow
temperature measure of the speed of the particles of a subtance
boiling point temperature at which a substance changes from a liquid to a gas
Created by: cquinnd15.org
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